CN200999063Y

CN200999063Y - Minitype caterpillar track

Info

Publication number: CN200999063Y
Application number: CNU2007201054841U
Authority: CN
Inventors: 徐刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-01-11
Filing date: 2007-01-11
Publication date: 2008-01-02
Anticipated expiration: 2017-01-11

Abstract

A mini-creeper truck, including a chassis, a cushion, a motor and a motivator; the said chassis comprises a under frame, a track, an inducer, a load-bearing wheel train and a driving wheel train. The motor drives the driving wheels; both sides of the track are respectively equipped with the inducers; the middle of the driving wheel train is arranged with the load-bearing wheel train. The said track consists of a chain and multi-sections of the groove-shaped shoe sole. The chain is connected to the groove-shaped shoe sole via the fastening piece from the cured ears. The track shoulders are arranged on the upper part of the shoe sole and both sides of the chain. The height of the track shoulders are the equal or close to that of the axle centre of the chain pin. The groove width of the shoe sole is gradually reduced from upside to downside. The groove is equipped with the landing materials. This utility model has the advantages that 1. The size hereof is reduced so that it could be used as the children's playthings; 2. The small-sized conveyance used in dangerous topographic forms such as the prairie, the snowfield, the sand beach and the notch or the tool for amusement; 3. Remote control is adopted in dangerous conditions so as to guarantee the personal safety; 4. The production process is simplified so as to lower the production cost. Therefore, the utility model could be used for mass production and popularization.

Description

Minitype caterpillar track

Technical field

The utility model relates to a kind of miniature walking car, and is particularly a kind of by the track-type lilliput car.

Background technology

As everyone knows, track-type vehicle has extremely strong off-road capability, can both walk in the difficult to move even one step harsh and unforgiving environments of multiple wheel.Existing track-type vehicle is in the majority with heavy-duty machinery, as tank, bulldozer, and excavating machine etc., because its volume is big, manufacturing process is complicated, cost is high, thereby the carrying capacity that is difficult to be applied to daily life and needs is on the lilliput car of hundred feather weight.Crawler belt is the critical component of such vehicle; it is in operation and contacts the supporting body load with BOGEY WHEEL etc.; both born the pressure of car body and contained article, retrained car body side direction off normal again, and therefore generally all adopted special construction to carry out large-scale production and just can meet the requirements by professional equipment.Though conventional chain has similar mode of operation to crawler belt, but do not have relevant work face can be used for bearing upper pressure and the constraint within the specific limits, though sprocket teeth has binding function to chain, but they are not isometrical contact, can not substitute BOGEY WHEEL work, therefore how utilizing existing chain to develop minitype caterpillar track, is difficult point of the present utility model place.

Summary of the invention

Technical problem to be solved in the utility model is to overcome the above-mentioned defective of prior art and provide a kind of and utilize existing chain and the low minitype caterpillar track of cost of manufacture enters in the daily use it.

The utility model solves the problems of the technologies described above the technical scheme that is adopted:

Minitype caterpillar track comprises chassis, seat, motor and steering unit, described chassis comprises underframe, crawler belt, induces train, load-bearing train, drive train, and two ends are established respectively and induced train, drive train in the driven by motor drive wheel, crawler belt, the load-bearing train is established in the centre, it is characterized in that:

Described crawler belt comprises chain, multistage flute profile shoe plate, chain is connected to flute profile by curved ear by fastener and carries out on the plate, carries out plate top chain two hand hay cutters and is provided with the shoe shoulder, and it is contour or closely contour with the chain pin axle center to carry out shoulder, the well width of carrying out plate is descending from top to bottom, the setting-in material that lands in the groove.

The described train of inducing comprises inducer, T oblique crank Z, axle sleeve, spring, jam nut, tubulose pedestal, inducer places the horizontal minor axis two ends of T oblique crank Z, the longitudinal axis of T oblique crank Z is by spring, the axle sleeve tubulose pedestal of packing into, and the pedestal scalable is positioned at underframe wallboard front end.

The BOGEY WHEEL that adopts rocker-type shock-absorbing suspension to support in the described load-bearing train, it is curved that the outer section of the trough line of its race is received the footpath, the shape of the shoe shoulder that is in contact with it with simplification.

The sprocket wheel of band shock-absorbing suspension is made main drive wheel in the described drive train, and the holding wheel is established in coaxial both sides, and the holding wheel is connected with axle.When holding wheel used as braking dish, it is captiveed joint with axle.

Above-mentioned steering unit control motor-driven or braking drive wheel, described motor-drive circuit is direct control type and drone version.

Described direct control device is made up of foot-driven machine structure and controller, takes to unclamp pin and promptly brakes, treads in promptly the mode of starting, quickening, to improve steering sensitivity and the improvement traveling comfort of driving.

Described remote control equipment (RCE), it is made up of receptor, control circuit and transmitter, transmitter is established startup (slow shelves), is quickened (fast shelves), counter-rotating (reversing), braking buttons such as (brakes), transmitter sends signal and removes control circuit by the receptor reception, by the corresponding actions of control circuit starter motor." start, brake " to locking to turn over to cut and close, glancing impact motor dead electricity is through the current-limiting resistance short circuit; " counter-rotating " is that locking is switched to motor power supply polarity; " acceleration " takes battery pack string and mode switching voltage-transformation, and transient state is turned over and cut.The circuit of this scheme is controlled to be common method, therefore is not described in detail.

Above-mentioned drive wheel uses the worm reducer transmission or braking mechanism is set, and more increases the quick and reliability of its brake, thereby increases alerting ability and safety.

Above its cushion of seat in above-mentioned chassis is presented the arch cambered surface.

Also be provided with guardrail on the above-mentioned chassis, the driver can hold guardrail and move the position that takes a seat, to keep the driving balance.

Above-mentioned chassis can change function setting with the upper part, to adapt to different purposes.

Also configurable electrical generator charges at any time to the battery pack in the operating control on the above-mentioned base, and promptly mixed motivity type is convenient to long-distance running, further widens its application.

Compared with prior art, advantage of the present utility model is:

1, make full use of existing chain structure, repack crawler belt into by common chain, how little can accomplish that chain has, and how little crawler belt is just, so volume-diminished, also can be used as toy for children.

2, owing to adopt the bigger crawler belt of area of contact, therefore can heighten the enjoyment as the smaller vehicle and the instrument of playing under the landform such as complexity, dangerous landform such as grassland, snowfield, sandy beach, notch.

3, owing to can make remote controlled travelling, should be used for the dangerous situation operation, as: fire-fighting, forbidden zone detection, scientific investigation, processing explosive material etc.

4, the structure of adopt simplifying can be simplified production technology, reduces productive costs, is fit to popular production and promotes the use of.

Description of drawings

Fig. 1 is the front view of the utility model embodiment.

Fig. 2 is the front elevation of the utility model embodiment.

Fig. 3 partly cuts open an innings cutaway view for overlooking of the utility model embodiment.

Fig. 4 is the A-A cutaway view of Fig. 1, is the caterpillar belt structure of the utility model embodiment.

Fig. 5 is the B-B cutaway view of Fig. 1, is the train of inducing of the utility model embodiment.

Fig. 6 is the C-C cutaway view of Fig. 1, is the load-bearing train of the utility model embodiment.

Fig. 7 is the D-D cutaway view of Fig. 1, is the load-bearing train of the utility model embodiment.

Fig. 8 is the utility model embodiment BOGEY WHEEL and the figure that cooperates of crawler belt.

Fig. 9 is the E-E cutaway view of Fig. 1, is the drive train of the utility model embodiment.

Figure 10 is the F-F cutaway view of Fig. 3, is the handling device of the utility model embodiment.

Figure 11 is provided with figure for the remote controller buttons of the utility model embodiment.

Figure 12 is the keying line scheme drawing of the utility model embodiment.

The specific embodiment

Embodiment is described in detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1, minitype caterpillar track is made up of crawler travel chassis 8, seat 1, guardrail 3 and

handling device

4,5.

Above-mentioned crawler travel chassis 8 by underframe, crawler belt, induce train, load-bearing train, drive train to form.

Underframe as shown in Figure 3, its wallboard 15 is propped by front cross rail 16, after cross member 12, there is tapped bore two bottom girders, 13,14 ends, and being used for BOGEY WHEEL support fulcrum shaft 35,37 (seeing Fig. 6,7), to penetrate wallboard 15 fastening with it, establish on the wallboard 15 slotted hole 68 of inducing wheel carrier is installed.

Crawler belt as shown in Figure 4, the conveyer chain 18 usefulness fasteners 19 of the curved ear of band are connected to flute profile and carry out on the plate 17, carry out plate 17 both sides and be provided with shoe shoulder 20, spread with regard to guide rail for the BOGEY WHEEL walking, it is contour or closely contour with the chain pin axle center to carry out shoulder 20, makes to carry out on the adjacent link to take on the rail level contact at nearly pin heart place, and maintenance minimum spacing, so its side is trapezoidal, carrying out plate 17 bottoms is flute profile, the setting-in material 21 that lands in the groove.

The width of rebate of above-mentioned flute profile shoe plate 17 is descending from top to bottom, and the one, saving turns up abdicates the space to carrying out, and the 2nd, for the setting-in needs of seeing ground material 21.

But above-mentioned shoe plate 17 block casts, also detachment processing welding forming.

The sheet material of material 21 that land described in the present embodiment for superposeing, the both sides sheet is gone into earlier by carrying out the polishing of plate angle, in the middle of inserting again, form the tenon of falling vertebra locking, root adds coating adhesive, and purpose is to utilize the flexibility of its underpart, to adapt to the special ground-surface of stairway step sample is climbed up and over.

The above-mentioned material 21 that lands also can be made different disposal in different use occasions.

Above-mentionedly induce train as shown in Figure 5, place the horizontal minor axis two ends of T oblique crank Z 25 by two inducers 22 of band side plate, the lateral deviation of restriction crawler belt constitutes inducing during crawler belt walked; Be with spring 26 on the longitudinal axis of T oblique crank Z 25, pad 27 backs be installed by in the axle sleeve 28 insertion tubulose pedestals 32, key 29 restricted T oblique crank Zs 25 circumferentially rotate, the afterbody of T oblique crank Z 25 longitudinal axis is established screw thread and is overlapped

nut

30,31, by the amount of compression of

nut

30,31 regulating springs, keep the due degree of tension of crawler belt when swinging because of BOGEY WHEEL; Axle sleeve 28 is fixed on the tubulose pedestal 32 by bolt 23, and its bolt hole is made the long arc shape, in order to adjust T oblique crank Z normotopia; Pedestal 32 is fixing through the slotted hole 68 of wallboard 15 by bolt 67, and puller bolt 24 passes the tapped bore of wallboard 15 upper protruding blocks and withstands pedestal 32, cooperates to adjust the position of pedestal 32 on wallboard 15, makes crawler belt obtain suitable degree of tension.

Inducer 22 center terrain clearances have determined pedrail mechanism to cross the ability of perpendicular steps.

Load-bearing train such as Fig. 6,7, every shoe is established some groups of BOGEY WHEELs, the

wheel carrier

34,36,38 of BOGEY WHEEL 33 and the

fulcrum shaft

35,37 on the underframe and Shock absorber 11,9,7 and their

small rack

2,10,6 (referring to Fig. 1) are formed the rocker-type shock-proof suspension, by Shock absorber control action stroke; Wheel carrier 38 is L-shaped and 11 horizontal with wheel carrier 36 shared fulcrum shafts 37, Shock absorber, Shock absorber 6 passes the driving wheel carrier, only arranges for mechanism and considers.

The trough line of above-mentioned BOGEY WHEEL race to crawler belt wide outside line section hour wheel footpath gradually closing curved, to meet inclined operation needs of crawler belt, take on appearance thereby simplify to carry out, see Fig. 8.Vertical arrangement of each load-bearing wheels makes crawler belt be camber line and lands, and is beneficial to turn to.

Drive train such as Fig. 9: the support 56 of track propulsion sprocket wheel 47 can be a spot wobble by minor axis 54, and bracing frame 55 helps to strengthen minor axis 54 rigidity and disperses it and the concentrated stress of wallboard junction; Use key 51 (multikey or spline) and sprocket wheel 47 close-fittings on the axle drive shaft 49; Can not be free-running fit, keep the holding to crawler belt with axle when two

holdings wheel

46,48 is not made brake disc, its endplay be guaranteed by the joint of axle drive shaft 49 and the length of axle sleeve 50 respectively; Their both sides then are installed in an end of support 56 by bearing 45,53 and bearing

seat

44,52; The other end of support 56 connects bumper 57, small rack 58 to the underframe wallboard, forms independent suspension; Reducing

motor

39,40 disposed uprights on the end cap 41 of drive gear casing, its output gear 42 directly with axle drive shaft on driven gear 43 engagements, take motor and the form that drives the wheel carrier direct screening like this, reduced the transmission link of being with the suspension actuating device.They also can come transmission by alternate manner.Native system drives, weight-bearing function unites two into one.

Arc arch shape cushion and guardrail 3 are set on the above-mentioned base, see Fig. 1.This arch formula cushion 1 is the travel line design of being on close level of desired position of center of gravity of ramp, and it has taken into account the possibility of vertical double seat in travelling in the level land.Cushion and backrest can and be filled out flexible material by usual attached cover; The cross tube of guardrail 3 supplies the driver to control and is changing seat in good time to put adjusting driving balance at cushion front part sides longitudinal extension; Two-direction switch 4 is all arranged under two cross bars, control the crawler belt trend respectively.

The utility model also is provided with the control setup that links to each other with DC machine, and control setup is divided into straight control type and drone version.

Straight control type control setup comprises: travel switch, foot-driven machine structure and controller, foot-driven machine structure and controller can utilize existing controller for electric vehicle to realize infinite speed variation, change the hand held handle of controller for electric vehicle into the foot-driven machine structure, and the mechanics structure is seen Figure 10.The pivoted housing of existing operating handle is about 70 degree from the start to walk corner of maximum speed of control motor, changes the product original design, makes its initial idle running corner a that increases the 15-20 degree, no-voltage output in a of this idle running angle; Again original tubulose pivoted housing is made to use into the cam 61 of connecting rod 65,66 tractions, the corner that pushes at the 61 pairs of travel switches 62 of cam on the former mounting rod 60 makes in above-mentioned initial idle running corner a, and with in the feed circuit of travel switch 62 access controllers to motor.When pedal 59 drives cam 61 rotations by pedal shaft 63, connecting rod 65,66, its process is: foot pedal 59, driving cam 61 by connecting rod mechanism rotates, cam 61 turns over its bead behind a of idle running angle the contact of travel switch 62 is pushed fully, motor was cancelled short circuit (normally closed point is disconnected), was got through current supply circuit (normal battle is logical) this moment, and motor is started to walk, raising speed; Pin leaves pedal 59, and travel switch 62 contacts ejected when cam 61 returned, and motor dead electricity, and short circuit (motor generation counter electromotive force) are promptly done resistance braking.

Above-mentioned short circuit loop can seal in the resistance current limliting to adjust lock torque.

Establish torsion spring 64 on the above-mentioned pedal shaft 63, in order to strengthen the restoring force of pedal 59.

The drone version control setup is made up of receptor, control circuit and transmitter, and the button of receptor is provided with figure and sees that Figure 11, control circuit see Figure 12.2 of incision passes are turned in totally 1 tunnel locking to this car two shoes, 2 tunnel lockings are turned over and cut 2, and 2 tunnel transient states are turned over and cut 2 signal transceiver, and every like this shoe needs only 5 buttons, and is easy and simple to handle.Starting, braking is that incision pass (C1) is turned in one tunnel locking, and glancing impact motor dead electricity is through current-limiting resistance R short circuit; Counter-rotating is that motor power supply polarity is switched, and is that two tunnel lockings are turned over and cut (C2); " acceleration " takes battery pack string and mode switching voltage-transformation, is that two tunnel transient states are turned over and cut (C3).They all can be carried out by the relay circuit of tool corresponding actions characteristic in the receptor; Its control loop operating voltage is advisable with " low side leans on " (promptly slow shelves voltage).

Claims

1, minitype caterpillar track comprises chassis, cushion, motor and steering unit, and described chassis comprises underframe, crawler belt, induces train, load-bearing train, drive train, the driven by motor drive wheel, two ends are established respectively and are induced train, drive train in the crawler belt, and the load-bearing train is established in the centre, it is characterized in that:

2, minitype caterpillar track as claimed in claim 1, it is characterized in that: described underframe comprises wallboard, crossbeam and bottom girder, two wallboards are supported by front and back crossbeam, two bottom girders, and two bottom girders link to each other with the fulcrum shaft of load-bearing wheel carrier respectively, and have for inducing wheel carrier to regulate the slotted hole of location.

3, minitype caterpillar track as claimed in claim 2, it is characterized in that: described inducer of inducing train places the horizontal minor axis two ends of T oblique crank Z, the longitudinal axis of T oblique crank Z is through spring, the axle sleeve tubulose pedestal of packing into, and tubulose pedestal scalable positioning and fixing is in the wallboard front portion of underframe.

4, as claim 1 or 2 or 3 described minitype caterpillar tracks, it is characterized in that: the outer section of axial line is camber line at the bottom of the band suspension BOGEY WHEEL race of described load-bearing train.

5, as claim 1 or 2 or 3 described minitype caterpillar tracks, it is characterized in that: described steering unit comprises battery-driven car speed regulating handle, travel switch and the controller of repacking, the pivoted housing of speed regulating handle makes cam into and sets up an idle running angle, cam is drawn by connecting rod, pedal drives the cam rotation by pedal shaft, connecting rod, cam turns over its edge behind the idle running angle contact of travel switch is pressed into, in the feed circuit of travel switch access controller to motor.

6, minitype caterpillar track as claimed in claim 4, it is characterized in that: described steering unit comprises battery-driven car speed regulating handle, travel switch and the controller of repacking, the pivoted housing of speed regulating handle makes cam into and sets up an idle running angle, cam is drawn by connecting rod, pedal drives the cam rotation by pedal shaft, connecting rod, cam turns over its edge behind the idle running angle contact of travel switch is pressed into, in the feed circuit of travel switch access controller to motor.

7, as claim 1 or 2 or 3 described minitype caterpillar tracks, it is characterized in that: described steering unit is made up of receptor, control circuit and transmitter, transmitter is established and is started and slow shelves, acceleration and fast shelves, counter-rotating and 5 buttons such as reversing, braking and brake, transmitter sends signal and removes control circuit by the receptor reception, corresponding actions by the control circuit starter motor, wherein quicken to take battery pack string and mode switching voltage-transformation, motor current-limiting short circuit during brake.

8, as claim 1 or 2 or 3 described minitype caterpillar tracks, it is characterized in that: the drive wheel of described drive train can use the worm reducer transmission or braking mechanism is set.

9, as claim 1 or 2 or 3 described minitype caterpillar tracks, it is characterized in that: described cushion is the arch arc, establishes guardrail on the described chassis, and the cross bar of guardrail is longitudinal extension in the cushion front part sides.

10, minitype caterpillar track as claimed in claim 1 is characterized in that: the sprocket wheel of band shock-absorbing suspension is made main drive wheel in the described drive train, and the holding wheel is established in coaxial both sides, and the holding wheel is connected with axle.